1228 static void i2s_mode_identify(i2s_port_t i2s_num, const i2s_config_t *i2s_config)  in i2s_mode_identify()  argument
1233     if (i2s_config->mode & I2S_MODE_MASTER) {  in i2s_mode_identify()
1235     } else if (i2s_config->mode & I2S_MODE_SLAVE) {  in i2s_mode_identify()
1238     if (i2s_config->mode & I2S_MODE_TX) {  in i2s_mode_identify()
1241     if (i2s_config->mode & I2S_MODE_RX) {  in i2s_mode_identify()
1245     if (i2s_config->mode & I2S_MODE_PDM) {  in i2s_mode_identify()
1251     if (i2s_config->channel_format == I2S_CHANNEL_FMT_MULTIPLE) {  in i2s_mode_identify()
1257     if ((i2s_config->mode & I2S_MODE_DAC_BUILT_IN) ||  in i2s_mode_identify()
1258         (i2s_config->mode & I2S_MODE_ADC_BUILT_IN)) {  in i2s_mode_identify()
1264 static esp_err_t i2s_config_transfer(i2s_port_t i2s_num, const i2s_config_t *i2s_config)  in i2s_config_transfer()  argument
1269     p_i2s[i2s_num]->slot_cfg.data_bit_width = i2s_config->bits_per_sample;  in i2s_config_transfer()
1270 …p_i2s[i2s_num]->slot_cfg.slot_bit_width = (int)i2s_config->bits_per_chan < (int)i2s_config->bits_p…  in i2s_config_transfer()
1271             i2s_config->bits_per_sample : i2s_config->bits_per_chan;  in i2s_config_transfer()
1273     p_i2s[i2s_num]->slot_cfg.slot_mode = i2s_config->channel_format < I2S_CHANNEL_FMT_ONLY_RIGHT ?  in i2s_config_transfer()
1275     CLK_CFG().sample_rate_hz = i2s_config->sample_rate;  in i2s_config_transfer()
1276 …CLK_CFG().mclk_multiple = i2s_config->mclk_multiple == 0 ? I2S_MCLK_MULTIPLE_256 : i2s_config->mcl…  in i2s_config_transfer()
1278     p_i2s[i2s_num]->fixed_mclk = i2s_config->fixed_mclk;  in i2s_config_transfer()
1281     CLK_CFG().clk_src = i2s_config->use_apll ? I2S_CLK_SRC_APLL : I2S_CLK_SRC_DEFAULT;  in i2s_config_transfer()
1282     p_i2s[i2s_num]->use_apll = i2s_config->use_apll;  in i2s_config_transfer()
1288         SLOT_CFG(std).ws_width = i2s_config->bits_per_sample;  in i2s_config_transfer()
1290         if (i2s_config->channel_format == I2S_CHANNEL_FMT_RIGHT_LEFT) {  in i2s_config_transfer()
1292         } else if (i2s_config->channel_format == I2S_CHANNEL_FMT_ALL_LEFT ||  in i2s_config_transfer()
1293                    i2s_config->channel_format == I2S_CHANNEL_FMT_ONLY_LEFT) {  in i2s_config_transfer()
1298         if (i2s_config->communication_format == I2S_COMM_FORMAT_STAND_I2S) {  in i2s_config_transfer()
1301         if (i2s_config->communication_format & I2S_COMM_FORMAT_STAND_PCM_SHORT) {  in i2s_config_transfer()
1309         SLOT_CFG(std).left_align = i2s_config->left_align;  in i2s_config_transfer()
1310         SLOT_CFG(std).big_endian = i2s_config->big_edin;  in i2s_config_transfer()
1311         SLOT_CFG(std).bit_order_lsb = i2s_config->bit_order_msb; // The old name is incorrect  in i2s_config_transfer()
1336         CLK_CFG().up_sample_fs = i2s_config->sample_rate / 100;  in i2s_config_transfer()
1356         SLOT_CFG(tdm).slot_mask = i2s_config->chan_mask >> 16;  in i2s_config_transfer()
1361         if (i2s_config->communication_format == I2S_COMM_FORMAT_STAND_I2S) {  in i2s_config_transfer()
1363         } else if (i2s_config->communication_format == I2S_COMM_FORMAT_STAND_PCM_SHORT) {  in i2s_config_transfer()
1367         } else if (i2s_config->communication_format == I2S_COMM_FORMAT_STAND_PCM_LONG) {  in i2s_config_transfer()
1372         SLOT_CFG(tdm).left_align = i2s_config->left_align;  in i2s_config_transfer()
1373         SLOT_CFG(tdm).big_endian = i2s_config->big_edin;  in i2s_config_transfer()
1374         SLOT_CFG(tdm).bit_order_lsb = i2s_config->bit_order_msb; // The old name is incorrect  in i2s_config_transfer()
1375         SLOT_CFG(tdm).skip_mask = i2s_config->skip_msk;  in i2s_config_transfer()
1381 …  p_i2s[i2s_num]->total_slot = mx_slot < i2s_config->total_chan ? mx_slot : i2s_config->total_chan;  in i2s_config_transfer()
1574 esp_err_t i2s_driver_install(i2s_port_t i2s_num, const i2s_config_t *i2s_config, int queue_size, vo…  in i2s_driver_install()  argument
1582 …ESP_RETURN_ON_ERROR(i2s_check_cfg_validity(i2s_num, i2s_config), TAG, "I2S configuration is invali…  in i2s_driver_install()
1596     i2s_mode_identify(i2s_num, i2s_config);  in i2s_driver_install()
1597     ESP_GOTO_ON_ERROR(i2s_config_transfer(i2s_num, i2s_config), err, TAG, "I2S install failed");  in i2s_driver_install()
1598     i2s_obj->dma_desc_num = i2s_config->dma_desc_num;  in i2s_driver_install()
1599     i2s_obj->dma_frame_num = i2s_config->dma_frame_num;  in i2s_driver_install()
1600     i2s_obj->tx_desc_auto_clear = i2s_config->tx_desc_auto_clear;  in i2s_driver_install()
1603 …ESP_GOTO_ON_ERROR(i2s_init_legacy(i2s_num, i2s_config->intr_alloc_flags), err, TAG, "I2S init fail…  in i2s_driver_install()